diff --git a/src/mame/drivers/big10.cpp b/src/mame/drivers/big10.cpp
index 4a57ccc1f88..230ff204f7d 100644
--- a/src/mame/drivers/big10.cpp
+++ b/src/mame/drivers/big10.cpp
@@ -3,17 +3,14 @@
 /***************************************************************************
 
   BIG 10
-  ------
+  Success, 1985.
 
   Driver by Angelo Salese, Roberto Fresca & Tomasz Slanina.
 
-
 ****************************************************************************
 
   Dumper Notes:
 
-  Possibly some kind of gambling game.
-
   Z80A
   XTAL is 21.?727
   YM2149
@@ -22,7 +19,6 @@
   RAM 41464 x4
   unknown SDIP64 chip with welded heatsink! Might be a video chip or MCU?
 
-
 ****************************************************************************
 
   Dev Notes...
@@ -263,5 +259,5 @@ ROM_END
 *           Game Driver(s)            *
 **************************************/
 
-/*    YEAR  NAME      PARENT    MACHINE   INPUT     STATE          INIT      ROT      COMPANY      FULLNAME    FLAGS  */
-GAME( 1985, big10,    0,        big10,    big10,    big10_state,   0,        ROT0,   "Success",  "Big 10",   0 )
+/*    YEAR  NAME      PARENT    MACHINE   INPUT     STATE          INIT    ROT      COMPANY     FULLNAME   FLAGS  */
+GAME( 1985, big10,    0,        big10,    big10,    big10_state,   0,      ROT0,   "Success",  "Big 10",   0 )
diff --git a/src/mame/drivers/kurukuru.cpp b/src/mame/drivers/kurukuru.cpp
index 0a6708fcbe9..c77f1f20b4c 100644
--- a/src/mame/drivers/kurukuru.cpp
+++ b/src/mame/drivers/kurukuru.cpp
@@ -982,7 +982,7 @@ ROM_END
 *                              Game Drivers                                *
 ***************************************************************************/
 
-//    YEAR  NAME      PARENT  MACHINE   INPUT     STATE           INIT  ROT   COMPANY                   FULLNAME                         FLAGS
+//    YEAR  NAME      PARENT  MACHINE   INPUT     STATE           INIT  ROT    COMPANY                   FULLNAME                        FLAGS
 GAME( 1990, kurukuru, 0,      kurukuru, kurukuru, kurukuru_state, 0,    ROT0, "Success / Taiyo Jidoki", "Kuru Kuru Pyon Pyon (Japan)",   0 )
 GAME( 1991, ppj,      0,      ppj,      ppj,      kurukuru_state, 0,    ROT0, "Success / Taiyo Jidoki", "Pyon Pyon Jump (V1.40, Japan)", 0 )
 
diff --git a/src/mame/drivers/tonton.cpp b/src/mame/drivers/tonton.cpp
index 8fe6804c3d5..b21cd11c0de 100644
--- a/src/mame/drivers/tonton.cpp
+++ b/src/mame/drivers/tonton.cpp
@@ -256,5 +256,5 @@ ROM_START( tonton )
 ROM_END
 
 
-//    YEAR  NAME     PARENT  MACHINE  INPUT   STATE         INIT  ROT   COMPANY                   FULLNAME                                  FLAGS
+//    YEAR  NAME     PARENT  MACHINE  INPUT   STATE         INIT  ROT    COMPANY                   FULLNAME                                 FLAGS
 GAME( 1987, tonton,  0,      tonton,  tonton, tonton_state, 0,    ROT0, "Success / Taiyo Jidoki", "Waku Waku Doubutsu Land TonTon (Japan)", 0 )